Abov MC97F60128 - Page 317

317
MC97F60128
ABOV Semiconductor Co., Ltd.
LCDCCR (LCD Driver Contrast Control Register) : 4009H (XSFR)
7
6
5
4
3
2
1
0
LCTEN
-
-
-
LCDCC3
LCDCC2
LCDCC1
LCDCC0
R/W
-
-
-
R/W
R/W
R/W
R/W
Initial value : 00H
LCTEN
Control LCD Driver Contrast
0
LCD driver contrast disable
1
LCD driver contrast enable
LCDCC[3:0]
VLCD0 Voltage Control when the contrast is enabled.
LCDCC3
LCDCC2
LCDCC1
LCDCC0
Description
0
0
0
0
(16/31) x VDD
0
0
0
1
(16/30) x VDD
0
0
1
0
(16/29) x VDD
0
0
1
1
(16/28) x VDD
0
1
0
0
(16/27) x VDD
0
1
0
1
(16/26) x VDD
0
1
1
0
(16/25) x VDD
0
1
1
1
(16/24) x VDD
1
0
0
0
(16/23) x VDD
1
0
0
1
(16/22) x VDD
1
0
1
0
(16/21) x VDD
1
0
1
1
(16/20) x VDD
1
1
0
0
(16/19) x VDD
1
1
0
1
(16/18) x VDD
1
1
1
0
(16/17) x VDD
1
1
1
1
(16/16) x VDD
NOTE)
1. The above LCD contrast step is based on 1/3 bias with 65kΩ
RLCD and on 1/4 bias with 50kΩ RLCD.
2. The LCD contrast function is disabled when the LCD
automatic bias control function is on.